Charles R. Miller

Code Contributor

Charles R. Miller, owner of Lighthouse Educational Services, teaches classes and seminars on the electrical industry. He is the author of “Illustrated Guide to the National Electrical Code” and NFPA’s “Electrical Reference.” He can be reached at 615.333.3336, charles@charlesRmiller.com or www.charlsRmiller.com

Article 220—Load Calculations: 220.43 Show-Window and Track Lighting The purpose of the National Electrical Code (NEC) is the practical safeguarding of people and property from hazards arising from the use of electricity [90....

Article 220—Load Calculations; 220.42 General Lighting: Whether electricity consumers realize it or not, the National Electrical Code (NEC) is very important in their daily lives; for those of us in the electrical industry, t...

Article 220—Load Calculations 220.14 Other Loads—All Occupancies Understanding how to perform load calculations is an important part of an electrician’s professional career. While knowing how to work load calculations could b...